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Finding the Fourth Proportional to 302,110.89, 453,203.27 and 102,488.39

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Solution

The fourth proportional to 302,110.89, 453,203.27 and 102,488.39 is: 153,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,110.89 : 453,203.27 = 102,488.39 : x
  2. Step 2: Convert to fraction form
    302,110.89/453,203.27 = 102,488.39/x
  3. Step 3: Cross multiply
    302,110.89x = 453,203.27 × 102,488.39
  4. Step 4: Simplify right side
    302,110.89x = 46,448,070,706.58
  5. Step 5: Solve for x
    x = 46,448,070,706.58/302,110.89
  6. Step 6: Final answer
    x = 153,745.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.